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Essexite  and Arkose Definition


Arkose and Essexite  Definition


Definition

Definition
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar   

History
  
  

Origin
USA   
France   

Discoverer
Unknown   
Alexandre Brongniart   

Etymology
From the locality in Essex County, Massachusetts,US   
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones   

Class
Igneous Rocks   
Sedimentary Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Plutonic   
Not Applicable   

Other Categories
Fine Grained Rock, Opaque Rock   
Coarse Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Essexite  and Arkose

The general Essexite  and Arkose definition can be stated as: Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. On the other hand, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Essexite  and Arkose, get to know about Properties of Essexite  and Arkose. Get to know more information about Essexite  and Arkose origin and discoverer, etymology and class.

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History of Essexite  and Arkose

The history of Essexite  and Arkose gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Essexite  and Arkose Origin and Discoverer

Essexite  and Arkose definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Essexite  and Arkose. In this section, you will know about Essexite  and Arkose Origin and Discoverer. Origin of Essexite  is USA whereas Origin of Arkose is France. It is interesting to know the name of Essexite  and Arkose discoverer. The Discoverer of Essexite  is Unknown and the discoverer of Arkose is Alexandre Brongniart.

Etymology of Essexite  and Arkose

Along with Essexite  and Arkose definition, know more about the etymology of Essexite  and Arkose. Etymology of Essexite  and Arkose gives information about origin and formation of a particular rock. Know more about Formation of Essexite  and Formation of Arkose. The etymology of Essexite  is From the locality in Essex County, Massachusetts,US while that of Arkose is From the locality in Essex County, Massachusetts,US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Essexite  belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks. The sub-class, group and other categories of Essexite  and Arkose are listed below.

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